Research Article

Security Enhancement of Power Systems through Interline Power Flow Controller (IPFC) under Contingency Condition: A Case Study and Analysis‐EEP 400 kV System

Table 7

LSI during an outage of Sebeta to the Holeta branch without IPFC.

FromToActual MVARated MVALUF (%)NLSI (%)LSI (%)

GG3W/Sodo2132.7941973108.09934.190085.926
W/SodoGG21221.193197361.895057.011060.430
W/SodoGelan2025.3771973102.655153.159117.806
W/SodoYirgalem171.235019738.679006.344007.979
GG2Sebeta140.7990134110.500012.180011.004
GG2GGnew90.9630013416.783000.82204.995
GelanSebeta2061.1601973104.46856.54690.092
GelanHoleta2098.7371973106.37387.336100.662
GelanD/Zeit1289.108197365.337042.35958.444
SebetaHoleta01973000
HoletaSululta831.8770197342.16307.79731.853
SulultaD/Markos355.3140134126.496025.25426.124
SulultaD/Zeit811.2700197341.119025.93836.564
SulultaG/Gurcha208.0350134115.51307.92913.238
D/MarkosB/Dar390.3600134129.110040.43332.507
D/MarkosG/Gurcha559.0270134141.68707.84031.533
B/DarBeles357.8380134126.68408.68321.284
BelesGERD97.1560019734.924008.7546.073
YirgalemGD3208.8480197310.585018.63112.999